Re: Setting up updatable views ?

From: paul c <>
Date: Fri, 05 Oct 2007 17:35:47 GMT
Message-ID: <TBuNi.2256$hT1.1969_at_pd7urf2no>

paul c wrote:
> I think that if the updating tuples are specified in a grouped form then
> conventional relational algebra is predictable (predictable in the
> sense of Codd's model and algebra as it has evolved), unless a view
> involving projection, union or join is involved. ...

I guess I should have included negation too. Received on Fri Oct 05 2007 - 19:35:47 CEST

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